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Full text of "The Reid index compares the width of mucus glands to the width of the submucosal layer of airways"

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Normal Bronchus Chronic Bronchus 


Epithelium >» 
Basement membrane ——_»> 


\ 






Perichondrium ——» 


Cartilage 


Reid index = b/a = thickness of mucous gland 
layer/thickness of wall between epithelium and cartilage